Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/6563ebf7a1df
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #21602 from RudyLu/keyboard/Bug1034210_commit

Bug 1034210 - send correct keycode for non-latin IME. (Re-landed)
r=timdream.
a=v2.0+
(cherry picked from commit 8a7fb294444869ddaf869a58b21588752b9ce561)

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https://hg.mozilla.org/integration/gaia-2_0/rev/f7bf80162d9c
Author: Rudy Lu <me@rudy.lu>
Desc: Revert "Merge pull request #21602 from RudyLu/keyboard/Bug1034210_commit"

This reverts commit 12afc5ca3076ea8cbcd5989b32d9d1a4f092eb8f.
Bumping manifests a=b2g-bump